209038004

素因数分解:

$2^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{31237}}^1$

素因数の和:31487

約数の個数: 24

約数和(自身を含む): 419838720

約数和(自身を除く): 210800716

約数列:

[1, 2, 4, 7, 14, 28, 239, 478, 956, 1673, 3346, 6692, 31237, 62474, 124948, 218659, 437318, 874636, 7465643, 14931286, 29862572, 52259501, 104519002, 209038004]

約数ペア:

[(1, 209038004), (2, 104519002), (4, 52259501), (7, 29862572), (14, 14931286), (28, 7465643), (239, 874636), (478, 437318), (956, 218659), (1673, 124948), (3346, 62474), (6692, 31237)]